Use preact `rerender` after simulate instead?

[Mx Corey Frang]

preact-render-spy/src/preact-render-spy.js

Line 105 in 8752080

 return new Promise(resolve => setTimeout(resolve, 0)); 

This timeout seems really arbitrary, and what if you have fake timers going or something?

We could instead use preact.rerender which will render all dirty items in the queue: https://github.com/developit/preact/blob/d213b086e36e0ec3c4700d36a5e6a3368af74894/src/render-queue.js#L15